# Insulators Union vs UA 669

Insulators Union and UA 669 both sit at 4.0 stars, but that hides the real split: 100% of UA 669's written reviews are positive against 42% of Insulators Union's. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.0 for Insulators Union against 3.9 for UA 669. Both are backed by a comparable volume of ratings — 46 and 28 respectively. Written reviews are what separate them: 42% of Insulators Union's written reviews are positive against 100% of UA 669's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Insulators Union | UA 669 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (46 ratings)](https://appshunter.io/ios/app/insulators-union/id6446280787/reviews)** | [3.9 (28 ratings)](https://appshunter.io/ios/app/ua-669/id6472152163/reviews) |
| Number of ratings | **46** | 28 |
| Positive reviews | 41.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 141 MB | 119 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [International Association of Heat & Frost Insulators and Asbestos Workers, Inc.](https://appshunter.io/developer/1677115376) | [Local Union 669 Sprinkler Fitters](https://appshunter.io/developer/1716675618) |

## What reviewers say

### Insulators Union

[App page](https://appshunter.io/ios/app/insulators-union/id6446280787)

This app provides union members with news, updates, and resources related to their industry and contracts. It offers features like a call board, contact information, and a way to report violations, aiming to empower members and enhance their understanding of union benefits.

**Highlights:** General News & Updates, Industry & Contract Updates, Call Board Integration, Contact Information, Report Violations, Political Action & Organizing

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### UA 669

[App page](https://appshunter.io/ios/app/ua-669/id6472152163)

Stay informed about your local union, including its history, mission, and upcoming events. Receive important announcements, political updates, and mental health resources directly on your device.

**Highlights:** Local union information, Announcements and events, Push notifications for updates, Mental health resources, Political initiative information

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Insulators Union free?

Insulators Union is free to download, with no in-app purchases.

### Is UA 669 free?

UA 669 is free to download, with no in-app purchases.

### Which has better reviews, Insulators Union or UA 669?

Insulators Union is rated higher. Insulators Union averages 4.0 out of 5 from 46 ratings, while UA 669 averages 3.9 from 28 ratings.

### Do Insulators Union or UA 669 have ads?

Neither Insulators Union nor UA 669 shows ads.

### Which is updated more often, Insulators Union or UA 669?

Insulators Union ships an update monthly, and UA 669 monthly. Most recently, Insulators Union was updated on October 24, 2026 and UA 669 on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*